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b64f34cdfe
linux_dsm_epyc7002/arch/ia64/kernel
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Hidetoshi Seto b64f34cdfe [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 
This patch implements VIRT_CPU_ACCOUNTING for ia64,
which enable us to use more accurate cpu time accounting.

The VIRT_CPU_ACCOUNTING is an item of kernel config, which s390
and powerpc arch have.  By turning this config on, these archs
change the mechanism of cpu time accounting from tick-sampling
based one to state-transition based one.

The state-transition based accounting is done by checking time
(cycle counter in processor) at every state-transition point,
such as entrance/exit of kernel, interrupt, softirq etc.
The difference between point to point is the actual time consumed
during in the state. There is no doubt about that this value is
more accurate than that of tick-sampling based accounting.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-02-20 12:55:37 -08:00
..
cpufreq [CPUFREQ] move policy's governor initialisation out of low-level drivers into cpufreq core 2007-10-04 18:40:57 -04:00
.gitignore [IA64] Add gate.lds to list of files ignored by Git 2007-11-06 15:39:45 -08:00
acpi-ext.c Pull acpi_os_free into release branch 2006-07-01 17:19:08 -04:00
acpi-processor.c ACPI: Set _PSD ACPI_PDC_SMP_T_SWCOORD 2008-02-02 02:22:43 -05:00
acpi.c Merge branches 'release' and 'fluff' into release 2008-02-07 03:38:22 -05:00
asm-offsets.c [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
audit.c [PATCH] audit signal recipients 2007-05-11 05:38:25 -04:00
brl_emu.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
crash_dump.c [IA64] kexec: Minor enhancement to includes in crash.c 2007-02-05 11:31:04 -08:00
crash.c [IA64] Fix kernel hangup in kdump on INIT 2007-10-12 15:24:40 -07:00
cyclone.c cyclone.c: silly use of volatile, __iomem fixes 2007-07-26 11:11:57 -07:00
efi_stub.S [IA64] make efi_stub.S fit in 80 cols 2006-06-21 14:35:28 -07:00
efi.c [IA64] ia64_set_psr should use srlz.i 2008-02-04 15:50:13 -08:00
entry.h Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
entry.S [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
err_inject.c [IA64] typo s/kenrel/kernel/ 2007-05-10 09:35:30 -07:00
esi_stub.S [IA64] esi-support 2006-06-21 11:19:22 -07:00
esi.c [IA64] esi-support 2006-06-21 11:19:22 -07:00
fsys.S [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
fsyscall_gtod_data.h [IA64] generalize attribute of fsyscall_gtod_data 2008-02-04 15:36:36 -08:00
gate-data.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
gate.lds.S [IA64] increase .data.patch offset 2007-12-07 14:28:02 -08:00
gate.S [IA64] Stop bit for brl instruction 2007-07-09 13:37:44 -07:00
head.S [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
ia64_ksyms.c [IA64] Export three symbols for module use 2008-02-04 15:46:23 -08:00
init_task.c Remove fs.h from mm.h 2007-07-29 17:09:29 -07:00
iosapic.c [IA64] Fix iosapic interrupt delivery mode for CPE 2007-12-07 16:13:03 -08:00
irq_ia64.c [IA64] Remove compiler warinings about uninitialized variable in irq_ia64.c 2007-12-19 11:13:27 -08:00
irq_lsapic.c [IA64] spelling fixes: arch/ia64/ 2007-05-11 14:55:43 -07:00
irq.c [IA64] Clean up /proc/interrupts output 2007-11-06 15:40:52 -08:00
ivt.S [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
jprobes.S [IA64] enable trap code on slot 1 2006-12-12 12:00:55 -08:00
kprobes.c [IA64] Fix the order of atomic operations in restore_previous_kprobes on ia64 2008-02-04 15:09:39 -08:00
machine_kexec.c vmcoreinfo: fix the configuration dependencies 2008-02-07 08:42:25 -08:00
machvec.c [IA64] Ensure that machvec is set up takes place before serial console 2007-07-25 11:12:47 -07:00
Makefile [IA64] Itanium MC Error Injection Tool: Makefile changes 2007-01-29 15:27:07 -08:00
mca_asm.S [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca_drv_asm.S [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca_drv.c [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca_drv.h [IA64] mca style cleanup 2008-02-04 15:42:06 -08:00
mca.c [IA64] Fix large MCA bootmem allocation 2008-02-08 12:01:53 -08:00
minstate.h [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
module.c modules: fold percpu_modcopy into module.c 2008-01-30 23:27:58 +01:00
msi_ia64.c [IA64] Fix incorrect return value from ia64_setup_msi_irq() 2007-10-30 09:54:47 -07:00
numa.c [PATCH] cpumask: export node_to_cpu_mask consistently 2006-10-02 07:57:17 -07:00
pal.S [IA64] reformat pal.S to fit in 80 columns, fix typos 2006-10-17 14:54:19 -07:00
palinfo.c [IA64] Update printing of feature set bits 2007-11-09 13:05:30 -08:00
patch.c [IA64] Clean-up McKinley Errata message 2007-11-06 15:40:07 -08:00
perfmon_default_smpl.c Use helpers to obtain task pid in printks (arch code) 2007-10-19 11:53:43 -07:00
perfmon_generic.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
perfmon_itanium.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
perfmon_mckinley.h [IA64] spelling fixes: arch/ia64/ 2007-05-11 14:55:43 -07:00
perfmon_montecito.h [IA64] sparse cleanups 2006-12-07 10:48:19 -08:00
perfmon.c [IA64] Rename TIF_PERFMON_WORK back to TIF_NOTIFY_RESUME 2008-02-08 12:00:54 -08:00
process.c [IA64] Simplify cpu_idle_wait 2008-02-08 12:01:40 -08:00
ptrace.c [IA64] Synchronize RBS on PTRACE_ATTACH 2008-02-08 12:01:29 -08:00
relocate_kernel.S [IA64] Removal of percpu TR cleanup in kexec code 2007-05-08 10:00:28 -07:00
sal.c [IA64] Export three symbols for module use 2008-02-04 15:46:23 -08:00
salinfo.c [IA64] tree-wide: Misc __cpu{initdata, init, exit} annotations 2007-10-12 14:13:38 -07:00
semaphore.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
setup.c [IA64] constify function pointer tables 2008-02-04 15:09:11 -08:00
sigframe.h [IA64] Add TIF_RESTORE_SIGMASK 2007-05-08 14:51:59 -07:00
signal.c [IA64] signal: remove redundant code in setup_sigcontext() 2007-12-18 16:55:15 -08:00
smp.c [IA64] Allow smp_call_function_single() to current cpu 2007-07-30 16:26:45 -07:00
smpboot.c idle_regs() must be __cpuinit 2008-02-06 10:41:08 -08:00
sys_ia64.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
time.c [IA64] VIRT_CPU_ACCOUNTING (accurate cpu time accounting) 2008-02-20 12:55:37 -08:00
topology.c Kobject: convert arch/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:39 -08:00
traps.c [IA64] honor notify_die() returning NOTIFY_STOP 2008-02-05 08:26:44 -08:00
unaligned.c [IA64] honor notify_die() returning NOTIFY_STOP 2008-02-05 08:26:44 -08:00
uncached.c [IA64] make flush_tlb_kernel_range() an inline function 2007-12-19 12:30:30 -08:00
unwind_decoder.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unwind_i.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unwind.c [IA64] Correct unwind validation code 2007-06-26 13:33:10 -07:00
vmlinux.lds.S all archs: consolidate init and exit sections in vmlinux.lds.h 2008-01-28 23:21:17 +01:00